/Engine/Source/Developer/AnimationDataController/Public/AnimDataController.h
Removes any bone track for which the name was not found in the provided skeleton. Broadcasts a EAnimDataModelNotifyType::TrackRemoved for each track which was not found in the skeleton, wrapped within BracketOpened/BracketClosed notifies.
virtual bool RemoveBoneTracksMissingFromSkeleton ( const [USkeleton](API\Runtime\Engine\Animation\USkeleton) * Skeleton, bool bShouldTransact )